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qemu: fix a crash when save file can't be opened

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In qemuDomainSaveMemory, wrapperFd might be NULL and should be checked before
calling virFileWrapperFdCatchError. Same in doCoreDump.

Bug: https://bugzilla.redhat.com/show_bug.cgi?id=880919
This commit is contained in:
Ján Tomko 2012-11-28 09:08:52 +01:00 committed by Martin Kletzander
parent ebb1ccb517
commit 8927c0eab6
1 changed files with 4 additions and 2 deletions
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6
src/qemu/qemu_driver.c
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@ -2906,7 +2906,8 @@ qemuDomainSaveMemory(struct qemud_driver *driver,
cleanup:
VIR_FORCE_CLOSE(fd);
virFileWrapperFdCatchError(wrapperFd);
if (wrapperFd)
virFileWrapperFdCatchError(wrapperFd);
virFileWrapperFdFree(wrapperFd);
VIR_FREE(xml);
@ -3362,7 +3363,8 @@ doCoreDump(struct qemud_driver *driver,
cleanup:
VIR_FORCE_CLOSE(fd);
if (ret != 0) {
virFileWrapperFdCatchError(wrapperFd);
if (wrapperFd)
virFileWrapperFdCatchError(wrapperFd);
unlink(path);
}
virFileWrapperFdFree(wrapperFd);